New evidence found by scientists has started to suggest that the people living on the islands of Melanesia could have human DNA the world has never seen.
According to new genetic modelling, the species is unlikely to be Neanderthal or Denisovan – two ancient species that are represented in the fossil record – but could represent a third, unknown human relative that has so far eluded archaeologists
“We’re missing a population, or we’re misunderstanding something about the relationships,” Ryan Bohlender, a statistical geneticist from the University of Texas, told Tina Hesman Saey at Science News.
IS THERE A NEW “HUMAN” SPECIES WAITING TO BE DISCOVERED?
Bohlender a scientist who studies DNA and its historical significance conducted a study looking at humans and how they are linked to Neanderthals and Denisovans. He concluded that at this current point we are not looking at humans ancient history fully.
Bohlender is not saying we are not closely connected to Neanderthals and Denisovans but that we have a connection with another species that is unidentified. It is common knowledge that 100,000+ years ago our ancestors migrated out of Africa and were introduced to other hominid species living in Europe and similar areas.
“Europeans have no hint of Denisovan ancestry, and people in China have a tiny amount – 0.1 percent, according to Bohlender’s calculations. But 2.74 percent of the DNA in people in Papua New Guinea comes from Neanderthals.
And Bohlender estimates the amount of Denisovan DNA in Melanesians is about 1.11 percent, not the 3 to 6 percent estimated by other researchers.
While investigating the Denisovan discrepancy, Bohlender and colleagues came to the conclusion that a third group of hominids may have bred with the ancestors of Melanesians.”
We see this through various studies that state we have anywhere between 1.5 to 5 percent of out DNA. As well a study done this year linked DNA from Neanderthals to diseases (i.e. Depression, heart attacks, etc.) and that HPV was transmitted between Neanderthals and Denisovans.
Through these highly credible sources, Bohlender estimates that what we know about the history of Neanderthals could be quite different. He states that because of these various things that happened to the Neanderthals and their significant species timeline there must have been more connections we do not know about.
This is where Bohlender introduces his third species that had a critical role is there period and can help explain why we have unknown DNA in humans. Although all of these may be true we do not have that much are evidence that this third species even existed.
Only a few teeth, bones and missing links have been found. This does not mean that there are a whole different species waiting to be discovered because we do not have enough proof or peer review to stamp this information factual.
The results of Bohlender’s analysis were presented last week at the 2016 American Society of Human Genetics meeting in Canada.